How do I come Hangzhou Passenger Transport Central Bus Station to Wuzhen (Hotel Jinhanghe Inn)?

Yes, you are right.
From HZ Passenger Transport Central Bus Station,there are a lot of buses available to Wuzhen, and the bus will stop at Wuzhen bus station, which is about 1.2 miles from your hotel. The whole bus ride is about 1.5 – 2 hours.

After arrival at the bus station, you can take the bus K350 to Ganquan Road. then walk about 250 yards, you will reach the hotel. Or You can take a taxi to reach at a cost of CNY15.